October 27, 2025
Matched Clean Power Index is live
Many British consumers pay for 100% renewable electricity. But how much are they actually getting? The Matched Clean Power Index reveals the truth behind green energy claims.
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Our Mission
Verifiable ratings of renewable energy supply
Many energy suppliers market their electricity as renewable while continuing to buy fossil-fuelled power—a practice enabled by outdated regulations. To resolve this confusion, we will shortly be publishing the Matched Clean Power Index, a verifiable rating of the renewable electricity households and businesses are actually receiving—hour by hour, all year.
Why Matched?
100% renewable is not 100% renewable
Many British households choose an electricity tariff that is '100% renewable'—often paying a little extra for the promise of cleaner power. But what does this label actually mean in practice? It suggests that all the electricity you use comes directly from renewables like wind or solar. However, the reality of how the grid works is more complex.
Our Contributors
Working together for transparency
Matched works with leading organisations in the space to advance hourly matching transparency.
Latest Insights
Recent Posts
October 5, 2025
What your supplier actually generates (and why it matters for carbon accounting)
Understanding how Britain's energy suppliers generate renewable electricity requires looking beyond simple totals. Each technology has distinct generation patterns that reveal the true nature of renewable supply.
Read more →September 30, 2025
Tracking Supplier Demand
For the first time, newly available public data lets us track exactly when Britain's energy suppliers are serving power to their customers.
Read more →